Procedure
1. Measure the AC voltage between the terminals on the surge protection device
switch:
•
L1
,
L2
,
L3
to
N
•
L1
to
L2
•
L1
to
L3
•
L2
to
L3
Use the voltage tester.
Note: The surge protection device switch shows the indications
L1
,
L2
,
L3
and
N
.
2. Measure
L1
,
L2
,
L3
to ground.
7.5.3 Measure the AC voltage (Terra 180)
Preliminary requirements
•
• Only do this procedure if
a different procedure refers
to this procedure.
• Voltage tester
Procedure
1. Measure the AC voltage between the terminals on the surge protection device
switch:
•
L1
,
L2
,
L3
to
N
•
L1
to
L2
•
L1
to
L3
•
L2
to
L3
Use the voltage tester.
Note: The surge protection device switch shows the indications
L1
,
L2
,
L3
and
N
.
7.5.4 Measure the AC voltage (Terra 60)
Preliminary requirements
•
• Only do this procedure if
a different procedure refers
to this procedure.
• Voltage tester
Maintenance and cleaning
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